# n = 1
#
# while  1<=n<=100:
#     n+=1
#     print(n)

# nun=0
# for i in range(10):
#     print(i)
#     nun+=i
#     print(f'卡卡圣诞节快乐:｛{nun}｝')

for n in range(1,10,2):
    print(n)


s1 = """hello
world
"""
print(s1)

s2 ='abcdefghjkl'
# print(s2[1:4])
print(s2[-8:-4])
print(s2[:4])
print(s2[4:])

print(s2.split('c'))
print(s2.partition('c'))
print(s2.find('x'))